Subversion Repositories HelenOS-historic

Compare Revisions

Ignore whitespace Rev 429 → Rev 430

/SPARTAN/trunk/generic/src/lib/func.c
0,0 → 1,79
/*
* Copyright (C) 2001-2004 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#include <func.h>
#include <print.h>
#include <cpu.h>
#include <arch/asm.h>
#include <arch.h>
 
__u32 haltstate = 0; /**< Halt flag */
 
 
/** Halt wrapper
*
* Set halt flag and halt the cpu.
*
*/
void halt(void)
{
haltstate = 1;
interrupts_disable();
if (CPU)
printf("cpu%d: halted\n", CPU->id);
else
printf("cpu: halted\n");
cpu_halt();
}
 
 
/** Compare two NULL terminated strings
*
* Do a char-by-char comparment of two NULL terminated strings.
* The strings are considered equal iff they have the same
* length and consist of the same characters.
*
* @param src First string to compare.
* @param dst Second string to compare.
*
* @return 0 if the strings are equal, 1 otherwise.
*
*/
int strcmp(const char *src, const char *dst)
{
int i;
i = 0;
while (src[i] == dst[i]) {
if (src[i] == '\0')
return 0;
i++;
}
return 1;
}